CN112677435A

CN112677435A - Injection molding equipment capable of cooling mold

Info

Publication number: CN112677435A
Application number: CN202110026157.1A
Authority: CN
Inventors: 李松林
Original assignee: Yiwu Dexi Trade Co ltd
Current assignee: Yiwu Dexi Trade Co ltd
Priority date: 2021-01-08
Filing date: 2021-01-08
Publication date: 2021-04-20

Abstract

The invention relates to the field of plastic molds, in particular to an injection molding device capable of cooling a mold, which comprises a box body and a first cavity fixedly arranged in the box body, wherein a driving shaft is rotatably arranged between the upper end wall and the lower end wall of the first cavity, the injection molding device capable of cooling the mold can realize the joint between a movable mold and a fixed mold by using a transmission device, the joint sealing performance is better, the multi-station injection molding can be realized by using the rotation of a cam, the injection molding efficiency is improved, the meshing between a rack and teeth can be realized by using centrifugal rotation, so that the movable mold can move, the pushing device can be driven by using the movement of the movable mold to move, the injection molded product can be pushed into a collecting cavity, the cooling of the mold can be realized by using a cooling device, and the injection molding liquid in the mold can be molded as soon as possible, thereby improving the injection molding efficiency and protecting the mold.

Description

Injection molding equipment capable of cooling mold

Technical Field

The invention relates to the field of plastic molds, in particular to an injection molding device capable of cooling a mold.

Background

A plastic mold is a tool which is matched with a plastic molding machine in the plastic processing industry and gives a complete configuration and accurate dimension to a plastic product. Because of the variety and processing method of plastic, and the structure of plastic molding machines and plastic products are various, the variety and structure of plastic molds are also various.

The mould only plays injection moulding's effect at the in-process of moulding plastics, can only realize automatic moulding plastics in present injection moulding equipment moreover, and it is low to mould plastics inefficiency moreover, can not realize the cooling of mould and the automatic collection of product, therefore it is necessary to set up one kind and can realize improving above-mentioned problem to the refrigerated injection moulding equipment of mould.

Disclosure of Invention

The invention aims to provide injection molding equipment capable of cooling a mold, which can overcome the defects in the prior art and improve the practicability of the equipment.

The technical scheme adopted by the invention for solving the technical problems is as follows: the injection molding equipment capable of cooling the mold comprises a box body and a first cavity fixedly arranged in the box body, wherein a driving shaft is rotatably arranged between the upper end wall and the lower end wall of the first cavity, the driving shaft is in power connection with a main shaft of a motor, the motor is fixedly arranged on the upper end wall of the first cavity, contact transmission cavities are fixedly arranged on the box body on the left side and the right side of the first cavity in a bilateral symmetry manner, a first transmission device for transmission between the driving shaft and a rotary drum shaft is fixedly arranged on the outer surface of the driving shaft in the first cavity, the rotary drum shaft is rotatably arranged on the lower end wall of the contact transmission cavity in a penetrating manner, a cam pushing cavity is fixedly arranged in the box body on the lower side of the first cavity, a first cam is fixedly arranged on the outer surface of the tail end of the lower side of the cam pushing cavity, and the first, the push rod bilateral symmetry penetrates through and is slidably mounted on the left end wall and the right end wall of the cam pushing cavity, the push rod is close to the outer surface of one side end wall of the cam and is connected with the left end wall and the right end wall of the cam pushing cavity through a first reset spring, the left side and the right side of the cam pushing cavity are internally and bilaterally symmetrically and fixedly provided with pushing cavities, the outer surface of one side end wall of the push rod in the pushing cavity is fixedly provided with a push plate, the push plate is slidably mounted between the end walls of the pushing cavity, the lower end of the rotary shaft is fixedly provided with a second transmission device for transmission between the rotary shaft and a movable mold, the movable mold is slidably mounted between the end walls of the injection molding cavity, the injection molding cavity is fixedly and bilaterally symmetrically arranged in the boxes on the left side and the right side of the cam pushing cavity, the injection molding cavity, fixed mounting has the check valve in the connecting tube, the movable mould upside fixed mounting has the thrust unit who is used for the product to promote downwards in the box, mould plastics the chamber downside the box internal fixation is provided with the finished product and collects the chamber, fixedly connected with transfer line on the promotion chamber upside end wall, the chamber is placed to the terminal fixedly connected with of transfer line upside liquid of moulding plastics, the liquid of moulding plastics is placed the chamber fixed mounting and is in the box, the liquid of moulding plastics is placed fixed mounting on the outer wall in chamber and is had the hot plate, mould plastics the chamber rear side fixed mounting is used for in the box the cover half with movable mould refrigerated cooling device.

Further, the first transmission device comprises the driving shaft, a first bevel gear is fixedly mounted on the outer surface of the driving shaft, the first bevel gear and a second bevel gear are in meshing transmission, the second bevel gear is fixedly mounted on the outer surface of the tail end of one side of a bevel gear shaft in the first cavity, the bevel gear shaft is symmetrically arranged on the left end wall and the right end wall of the first cavity in a penetrating manner in a bilateral mode and is rotatably mounted on the left end wall and the right end wall of the first cavity, a rotating disc is fixedly mounted on the outer surface of the tail end of one side of the bevel gear shaft away from the bevel gear shaft, a blocking rod is fixedly mounted on the outer surface of the end wall of one side of the rotating disc away from the bevel gear shaft in an array manner, the blocking rod is in contact transmission with a shifting rod, the shifting rod is fixedly mounted on the, the knob spring is nested on the outer surface of the poke rod shaft, and the rotary drum is fixedly arranged on the outer surface of the tail end of the upper side of the rotary drum shaft.

Further, the second transmission device comprises the rotary drum shaft, a centrifugal meshing cavity is fixedly arranged in the box body on the lower side of the contact transmission cavity, a rotating block is fixedly arranged on the outer surface of the tail end of the lower side of the rotary drum shaft in the centrifugal meshing cavity, a centrifugal cavity is fixedly arranged in the rotating block in an array mode, meshing teeth are fixedly arranged on the end wall of the rotating block, which is far away from the rotary drum shaft, on one side of the end wall, the centrifugal cavity is provided with a centrifugal rod in a penetrating and sliding mode, the outer surface of the end wall, which is close to one side of the rotary drum shaft, of the centrifugal rod is connected with the end wall, which is far away from the rotary drum shaft, of the centrifugal cavity through a centrifugal spring, the centrifugal spring is nested and arranged on the outer surface of the centrifugal rod, a meshing tooth sliding groove is fixedly connected with the outer surface of the end wall, which, the meshing transmission between meshing tooth sliding tray and the rack board, the rack board runs through slidable mounting and is in the centrifugal meshing chamber is close to on the one side end wall in chamber of moulding plastics, mould plastics the intracavity one side end wall external fixed surface of rack board is connected with the movable mould, the rack board is kept away from movable mould one side end wall external fixed surface is connected with reset spring two, reset spring two keeps away from rack board one side end with the centrifugal meshing chamber is kept away from fixed connection between the chamber one side end wall of moulding plastics, the rack board with friction connection between the centrifugal meshing chamber diapire.

Further, the pushing device comprises the movable mold, a sliding cavity is fixedly arranged in the box body on the upper side of the movable mold, a contact block is slidably arranged in the sliding cavity, a rack rod is fixedly connected to the outer surface of the end wall on the upper side of the contact block, the rack rod is slidably arranged on the end wall on the upper side of the sliding cavity in a penetrating manner, the outer surface of the end wall on the upper side of the contact block is connected with the end wall on the upper side of the sliding cavity through a return spring, the return spring is nested on the outer surface of the rack rod, a gear cavity is fixedly arranged in the box body on the upper side of the sliding cavity, the rack rod and a gear are meshed for transmission, the gear is fixedly arranged on the outer surface of the end of one side, away from the injection liquid placing cavity, of the cam shaft is, a cam cavity is fixedly arranged in the box body between the gear cavity and the injection liquid placing cavity, a second cam is fixedly arranged on the outer surface of the tail end of one side of the cam shaft in the cam cavity, the second cam is in contact transmission with a pressure rod, the pressure rod is installed on the lower side end wall of the cam cavity in a penetrating and sliding manner, the upper side end wall of the pressure rod is connected with the lower side end wall of the cam cavity through a connecting spring, the connecting spring is embedded and installed on the outer surface of the pressure rod, a second cord is fixedly connected to the outer surface of the upper side end wall of the rack rod, the second cord is far away from the tail end of one side of the rack rod and is fixedly connected with a brake cone, the brake cone is installed in a brake cone sliding groove in a sliding manner, the brake cone sliding groove is fixedly arranged in the box body on one side of the rotary drum shaft, which is, the brake groove fixing array is arranged on the outer surface of the rotary drum shaft, and the brake cone and the end wall of one side, close to the injection molding liquid placing cavity, of the brake cone sliding groove are connected through a brake cone connecting spring.

Furthermore, the cooling device comprises the injection molding cavity, cooling pipes are symmetrically arranged in the box body at the front end wall and the rear end wall of the injection molding cavity in a front-back manner, the cooling pipe at the rear side is fixedly connected with a water pipe, the rear end of the water pipe is fixedly connected with a cooling water placing cavity, the cooling water placing cavity is fixedly arranged in the box body at the rear side of the injection molding cavity, a water pump is fixedly arranged on the front end wall of the cooling water placing cavity, a starting rod is slidably arranged on the end wall of one side of the water pump away from the pushing cavity, the outer surface of the end wall of one side of the starting rod in the cooling water placing cavity is connected with the end wall of one side of the cooling water placing cavity away from the pushing cavity through a starting spring, the starting spring is nested on the outer surface of the starting rod, the starting rod is in contact with the water pump, and a first cord is fixedly connected to the, and the end of one side of the rope far away from the starting rod is fixedly connected with the outer surface of the upper side end wall of the contact block.

The invention has the beneficial effects that: the utility model provides a can realize the refrigerated injection moulding equipment of mould, can realize utilizing transmission to realize laminating between movable mould and the cover half, and the leakproofness of laminating is better, can realize utilizing the rotation of cam to realize the moulding plastics of multistation, the efficiency of moulding plastics is improved, can realize utilizing the centrifugation to rotate and realize meshing between rack and the tooth, thereby make the movable mould move, can realize utilizing the motion of movable mould to drive the thrust unit motion, the realization promotes to the collection chamber to injection moulding's product, can realize utilizing cooling device to realize the cooling to the mould, and then make the injection moulding liquid in the mould shaping as early as possible, and then improve injection molding efficiency and the protection to the mould.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic diagram of an overall structure of an injection molding apparatus capable of cooling a mold according to the present invention.

Fig. 2 is a schematic view of the structure a-a in fig. 1.

Fig. 3 is an enlarged schematic view of B in fig. 1.

Fig. 4 is an enlarged schematic view of C in fig. 1.

Fig. 5 is an enlarged schematic view of D in fig. 1.

Fig. 6 is an enlarged schematic view of E in fig. 1.

Detailed Description

The invention will now be described in detail with reference to fig. 1-6, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

Referring to fig. 1-6, an injection molding apparatus capable of cooling a mold includes a case 11 and a first cavity 12 fixedly disposed in the case 11, a driving shaft 14 is rotatably mounted between upper and lower end walls of the first cavity 12, the driving shaft 14 is in power connection with a main shaft of a motor 15, the motor 15 is fixedly mounted on an upper end wall of the first cavity 12, contact transmission cavities 22 are fixedly disposed on left and right sides of the case 11 at left and right sides of the first cavity 12, a first transmission device 100 for transmission between the driving shaft 14 and a rotary shaft 31 is fixedly mounted on an outer surface of the driving shaft 14 in the first cavity 12, the rotary shaft 31 is rotatably mounted on a lower end wall of the contact transmission cavity 22, a cam pushing cavity 41 is fixedly disposed in the case 11 of the first cavity 12, the outer surface of the lower end of the cam pushing cavity 41 is fixedly provided with a first cam 40, the first cam 40 is in contact transmission with a push rod 42, the push rod 42 is bilaterally symmetrically penetrated and slidably mounted on the left end wall and the right end wall of the cam pushing cavity 41, the push rod 42 is close to the outer surface of the end wall of one side of the first cam 40 and is connected with the left end wall and the right end wall of the cam pushing cavity 41 through a first return spring 39, the pushing cavities 37 are symmetrically and fixedly arranged in the box bodies 11 at the left side and the right side of the cam pushing cavity 41, the outer surface of the end wall of one side of the push rod 42 in the pushing cavities 37 is fixedly provided with a push plate 43, the push plate 43 is slidably mounted between the end walls of the pushing cavities 37, the lower end of the rotary shaft 31 is fixedly provided with a second transmission device 101 for transmission between the rotary, the fixed bilateral symmetry in chamber 46 of moulding plastics sets up the cam promotes 41 left and right sides in chamber in the box 11, mould plastics chamber 46 and keep away from fixed mounting has cover half 45 on the wall of movable mould 47 one side end, cover half 45 with promote to connect through connecting pipe 36 between the chamber 37, fixed mounting has check valve 44 in the connecting pipe 36, the movable mould 47 upside fixed mounting has the thrust unit 102 that is used for the product to promote downwards in the box 11, mould plastics chamber 46 downside mould plastics the box 11 internal fixation is provided with the finished product and collects chamber 35, fixedly connected with transfer line 38 on the wall of promotion chamber 37 upside end, the chamber 18 is placed to the terminal fixedly connected with of transfer line 38 upside injection moulding liquid, the chamber 18 fixed mounting is placed to the injection moulding liquid in the box 11, fixed mounting has hot plate 19 on the outer wall in chamber 18 is placed to the injection moulding liquid, mould plastics chamber 46 rear side fixed mounting has been used for in the box 11 cover half 45 with the refrigerated Means 103.

Advantageously, the first transmission device 100 includes the driving shaft 14, a first bevel gear 13 is fixedly mounted on the outer surface of the driving shaft 14, the first bevel gear 13 is in meshing transmission with a second bevel gear 16, the second bevel gear 16 is fixedly mounted on the outer surface of the end of one side of a bevel gear shaft 17 in the first cavity 12, the bevel gear shaft 17 is bilaterally symmetrically, penetrating and rotatably mounted on the left and right end walls of the first cavity 12, a rotary disc 21 is fixedly mounted on the outer surface of the end of one side of the bevel gear shaft 17 away from the second bevel gear 16, a stop lever 20 is fixedly mounted on the outer surface of the end wall of one side of the rotary disc 21 away from the bevel gear shaft 17, a contact transmission is performed between the stop lever 20 and a shift lever 65, the shift lever 65 is fixedly mounted on the outer surface of a shift lever shaft 64, the shift lever shaft 64 is rotatably, the shift lever shaft mounting rack 63 and the shift lever 65 are connected through a knob spring 66, the knob spring 66 is nested on the outer surface of the shift lever shaft 64, and the drum 62 is fixedly mounted on the outer surface of the upper end of the drum shaft 31.

Advantageously, the second transmission device 101 includes the rotary drum shaft 31, a centrifugal meshing cavity 30 is fixedly arranged in the casing 11 contacting with the lower side of the transmission cavity 22, a rotating block 69 is fixedly mounted on the outer surface of the end of the lower side of the rotary drum shaft 31 in the centrifugal meshing cavity 30, centrifugal cavities 70 are fixedly arranged in an array in the rotating block 69, meshing teeth 73 are fixedly arranged in an array on the end wall of one side of the rotating block 69 away from the rotary drum shaft 31, a centrifugal rod 71 is slidably mounted through the end wall of one side of the centrifugal cavity 70 away from the rotary drum shaft 31, the outer surface of the end wall of one side of the centrifugal rod 71 close to the rotary drum shaft 31 and the end wall of one side of the centrifugal cavity 70 away from the rotary drum shaft 31 are connected through a centrifugal spring 72, the centrifugal spring 72 is mounted on the outer surface of the centrifugal rod 71 in a nested manner, and a meshing tooth sliding groove 74 is fixedly connected to the outer surface of the, the engaging teeth sliding tray 74 slidable mounting is in the engaging teeth 73, the meshing transmission between engaging teeth sliding tray 74 and the rack plate 29, the rack plate 29 runs through slidable mounting and is in centrifugal engaging cavity 30 is close to on one side end wall of injection molding cavity 46, in the injection molding cavity 46 one side end wall external fixed surface of rack plate 29 is connected with movable mould 47, the rack plate 29 is kept away from movable mould 47 one side end wall external fixed surface is connected with reset spring two 28, reset spring two 28 are kept away from rack plate 29 one side end with centrifugal engaging cavity 30 is kept away from fixed connection between the end wall of injection molding cavity 46 one side, rack plate 29 with frictional connection between the centrifugal engaging cavity 30 diapire.

Beneficially, the pushing device 102 includes the movable mold 47, a sliding cavity 32 is fixedly arranged in the case 11 on the upper side of the movable mold 47, a contact block 33 is slidably arranged in the sliding cavity 32, a rack rod 27 is fixedly connected to an outer surface of an upper end wall of the contact block 33, the rack rod 27 is slidably arranged on an upper end wall of the sliding cavity 32 in a penetrating manner, an outer surface of an upper end wall of the contact block 33 is connected with an upper end wall of the sliding cavity 32 through a return spring tri 67, the return spring tri 67 is nested on an outer surface of the rack rod 27, a gear cavity 25 is fixedly arranged in the case 11 on the upper side of the sliding cavity 32, the rack rod 27 is in meshing transmission with a gear 26, the gear 26 is fixedly arranged on an outer surface of a terminal on one side of the cam shaft 34 far away from the injection liquid placing cavity 18, the cam shaft 34 is rotatably arranged on an end wall on one side of the, a cam cavity 23 is fixedly arranged in the box body 11 between the gear cavity 25 and the injection liquid placing cavity 18, a second cam 24 is fixedly arranged on the outer surface of one end of the cam shaft 34 in the cam cavity 23, the second cam 24 is in contact transmission with a press rod 49, the press rod 49 is installed on the lower end wall of the cam cavity 23 in a penetrating and sliding manner, the upper end wall of the press rod 49 is connected with the lower end wall of the cam cavity 23 through a connecting spring 48, the connecting spring 48 is nested and installed on the outer surface of the press rod 49, a second rope 60 is fixedly connected to the outer surface of the upper end wall of the rack 27, the end of the second rope 60 far away from the rack 27 is fixedly connected with a brake cone 58, the brake cone 58 is installed in a sliding groove 59 in a sliding manner, the sliding groove 59 of the brake cone is fixedly arranged in the box body 11 on the side of the rotary shaft 31 close to the injection liquid placing cavity 18, the brake cones 58 are clamped into the brake grooves 57, the brake grooves 57 are fixedly arranged on the outer surface of the rotary drum shaft 31 in an array mode, and the brake cones 58 and the end wall of one side, close to the injection molding liquid placing cavity 18, of the brake cone sliding groove 59 are connected through a brake cone connecting spring 61.

Advantageously, the cooling device 103 comprises the injection molding cavity 46, cooling pipes 56 are symmetrically arranged in the box body 11 at the front end wall and the rear end wall of the injection molding cavity 46 in a front-rear manner, the cooling pipe 56 at the rear side is fixedly connected with a water conveying pipe 55, the rear end of the water conveying pipe 55 is fixedly connected with a cooling water placing cavity 54, the cooling water placing cavity 54 is fixedly arranged in the box body 11 at the rear side of the injection molding cavity 46, a water pump 53 is fixedly arranged on the front end wall of the cooling water placing cavity 54, an actuating rod 51 is slidably arranged on the end wall of the water pump 53 at the side far away from the pushing cavity 37, the outer surface of the end wall of one side of the actuating rod 51 in the cooling water placing cavity 54 is connected with the end wall of the cooling water placing cavity 54 at the side far away from the pushing cavity 37 through an actuating spring 52, and the actuating spring 52 is nested on the, the starting rod 51 is in contact with the water pump 53, a first cord 50 is fixedly connected to the outer surface of the end wall of the starting rod 51 far away from the water pump 53, and the end of the cord 50 far away from the starting rod 51 is fixedly connected to the outer surface of the end wall of the upper side of the contact block 33.

The fixing and connecting method in this embodiment includes, but is not limited to, bolting, welding, and the like.

In the initial state: the heating plate 19 is opened, so that the injection liquid in the injection liquid placing cavity 18 is always in a solution state, the second string 60 is tightened, the brake cone connecting spring 61 is compressed, the brake cone 58 is separated from the brake groove 57, the starting rod 51 is tightened, the starting spring 52 is compressed, and the starting rod 51 is separated from the water pump 53.

Sequence of mechanical actions of the whole device:

when the device of the present invention is operated, the motor 15 is activated to rotate the driving shaft 14, so as to rotate the bevel gear one 13, the bevel gear one 13 is in mesh transmission with the bevel gear two 16, so as to rotate the bevel gear shaft 17, so as to rotate the turntable 21, so as to rotate the blocking rod 20, the blocking rod 20 is in contact transmission with the shift rod 65, so as to move the shift rod shaft 64, so as to rotate the shift rod shaft mounting bracket 63, so as to move the shift rod shaft mounting bracket 63, so as to rotate the drum 62, so as to rotate the drum shaft 31, so as to rotate the rotating block 69, so as to move the centrifugal rod 71 away from the drum shaft 31, so as to compress the centrifugal spring 72, so as to move the centrifugal rod 71 away from the drum shaft 31, thereby moving the engaging tooth sliding grooves 74 and the rack plate 29, thereby bringing the movable mold 47 into abutment with the fixed mold 45, and moving the rack plate 29 toward the fixed mold 45, thereby causing the second return spring 28 to be stretched.

The driving shaft 14 rotates to drive the first cam 40 to rotate, the first cam 40 and the push rod 42 are in contact transmission, so that the push plate 43 is driven to move towards the fixed die 45, and the injection liquid in the push cavity 37 enters the fixed die 45 and the movable die 47 for injection molding.

The movable die 47 moves toward the fixed die 45, and the contact block 33 is moved downward by the return spring three 67, so that the rack bar 27 is moved downward, the second cord 60 is released, the brake cone 58 is snapped into the brake groove 57 by the brake cone 58, so that the drum shaft 31 cannot rotate, and the engaging tooth sliding groove 74 is disengaged from the rack plate 29 by the centrifugal spring 72.

The contact block 33 moves downward to loosen the string 50, and the activation rod 51 moves forward to contact the water pump 53 due to the activation spring 52, so that the cooling water in the cooling water placement chamber 54 enters the cooling pipe 56 through the water pipe 55 to cool the movable mold 47 and the stationary mold 45.

Because of the friction between the rack plate 29 and the bottom wall of the centrifugal engaging chamber 30, the rack plate 29 is pulled by the second return spring 28 after a certain time period after the rack plate 29 is disengaged from the engaging tooth sliding groove 74, due to the action of the second return spring 28, the rack plate 29 is driven to move away from the fixed die 45, so that the movable mold 47 moves away from the fixed mold 45, and when the movable mold 47 moves into contact with the contact block 33, thereby moving the rack bar 27 upward, causing the return spring three 67 to compress, the meshing transmission between the rack bar 27 and the gear 26, thereby driving the cam shaft 34 to rotate, so that the second cam 24 rotates to contact with the pressure rod 49, so that the downward movement of the plunger 49 pushes the injected product into the finished product collection chamber 35.

The contact block 33 moves upward causing the first wire 50 to tighten, thereby disengaging contact between the activation rod 51 and the water pump 53, thereby causing the activation spring 52 to compress, and the rack bar 27 moves upward causing the second wire 60 to tighten, thereby causing the brake cone attachment spring 61 to compress, thereby causing the brake cone 58 to exit the brake slot 57.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a can realize the equipment of moulding plastics to mould cooling, include the box and the box internal fixation is provided with first cavity, its characterized in that: rotate between end wall about the first cavity and install the drive shaft, power connection between the main shaft of drive shaft and motor, motor fixed mounting be in on the upside end wall of first cavity, the first cavity left and right sides the box bilateral symmetry is fixed to be provided with the contact transmission chamber, in the first cavity the surface fixed mounting of drive shaft has and is used for driven first transmission between drive shaft and the rotary drum axle, the rotary drum axle runs through to rotate to be installed on the downside end wall in contact transmission chamber, the first cavity downside the box internal fixation is provided with cam and promotes the chamber, the terminal surface fixed mounting in cam promotion chamber downside has cam one, contact transmission between cam one and the push rod, the push rod bilateral symmetry runs through slidable mounting and is in on the end wall about the cam promotes the chamber, the push rod is close to cam one side end wall surface with the cam promotes between the end wall about the chamber through the bullet that resets The first spring is connected, the bilateral symmetry in the box body at the left side and the right side of the cam pushing cavity is fixedly provided with pushing cavities, the outer surface of one side end wall of the push rod in the pushing cavity is fixedly provided with push plates, the push plates are slidably arranged between the end walls of the pushing cavity, the tail end of the lower side of the rotary shaft is fixedly provided with a second transmission device for transmission between the rotary shaft and a movable mold, the movable mold is slidably arranged between the end walls of the injection molding cavity, the fixed bilateral symmetry of the injection molding cavity is arranged in the box body at the left side and the right side of the cam pushing cavity, the injection molding cavity is far away from the end wall of one side of the movable mold and is fixedly provided with a fixed mold, the fixed mold is connected with the pushing cavity through a connecting pipe, a one-way valve is fixedly arranged in the connecting pipe, the pushing device for pushing the lower side of, promote fixedly connected with transfer line on the chamber upside end wall, the chamber is placed to the terminal fixedly connected with liquid of moulding plastics of transfer line upside, the liquid of moulding plastics is placed the chamber fixed mounting and is in the box, the liquid of moulding plastics is placed fixed mounting on the outer wall in chamber and is had the hot plate, mould plastics the chamber rear side fixed mounting is used for in the box the cover half with movable mould refrigerated cooling device.

2. An injection molding apparatus capable of cooling a mold as defined in claim 1, wherein: the first transmission device comprises the driving shaft, a first bevel gear is fixedly mounted on the outer surface of the driving shaft, the first bevel gear and a second bevel gear are in meshing transmission, the second bevel gear is fixedly mounted on the outer surface of the tail end of one side of a bevel gear shaft in the first cavity, the bevel gear shaft is symmetrically arranged on the left end wall and the right end wall of the first cavity in a penetrating manner in a bilateral symmetry manner, a turntable is fixedly mounted on the outer surface of the tail end of one side of the bevel gear shaft away from the second bevel gear, a stop lever is fixedly mounted on the outer surface of the end wall of one side of the turntable away from the bevel gear shaft in an array manner, the stop lever is in contact transmission with a shift lever, the shift lever is fixedly mounted on the outer surface of a shift lever shaft, the shift lever shaft is rotatably mounted between an, the knob spring is nested on the outer surface of the poke rod shaft, and the rotary drum is fixedly arranged on the outer surface of the tail end of the upper side of the rotary drum shaft.

3. An injection molding apparatus capable of cooling a mold as defined in claim 1, wherein: the second transmission device comprises the rotary drum shaft, a centrifugal meshing cavity is fixedly arranged in the box body on the lower side of the contact transmission cavity, a rotating block is fixedly arranged on the outer surface of the tail end of the lower side of the rotary drum shaft in the centrifugal meshing cavity, a centrifugal cavity is arranged in the rotating block in a fixed array manner, meshing teeth are fixedly arranged on the end wall of the rotating block, which is far away from one side of the rotary drum shaft, a centrifugal rod is arranged on the end wall of the centrifugal cavity, which is far away from one side of the rotary drum shaft, in a penetrating and sliding manner, the centrifugal rod is connected with the end wall of the centrifugal cavity, which is close to one side of the rotary drum shaft, through a centrifugal spring, the end wall of the centrifugal cavity, which is far away from one side of the rotary drum shaft, in a sleeved manner, the centrifugal spring is arranged on the outer surface of the centrifugal, the meshing transmission between meshing tooth sliding tray and the rack board, the rack board runs through slidable mounting and is in the centrifugal meshing chamber is close to on the one side end wall in chamber of moulding plastics, mould plastics the intracavity one side end wall external fixed surface of rack board is connected with the movable mould, the rack board is kept away from movable mould one side end wall external fixed surface is connected with reset spring two, reset spring two keeps away from rack board one side end with the centrifugal meshing chamber is kept away from fixed connection between the chamber one side end wall of moulding plastics, the rack board with friction connection between the centrifugal meshing chamber diapire.

4. An injection molding apparatus capable of cooling a mold as defined in claim 1, wherein: the pushing device comprises the movable die, a sliding cavity is fixedly arranged in the box on the upper side of the movable die, a contact block is slidably arranged in the sliding cavity, a rack rod is fixedly connected to the outer surface of the upper end wall of the contact block, the rack rod is slidably arranged on the upper end wall of the sliding cavity in a penetrating manner, the outer surface of the upper end wall of the contact block is connected with the upper end wall of the sliding cavity through a return spring, the return spring is embedded and arranged on the outer surface of the rack rod, a gear cavity is fixedly arranged in the box on the upper side of the sliding cavity, the rack rod and a gear are in meshing transmission, the gear is fixedly arranged on the outer surface of the tail end of one side of the cam shaft, which is far away from the injection molding liquid placing cavity, the cam shaft is rotatably arranged on the end wall of one side, which is close to the injection molding liquid placing cavity, a second cam is fixedly arranged on the outer surface of the tail end of one side of the cam shaft in the cam cavity, the second cam is in contact transmission with a pressure lever, the pressure lever penetrates through and is slidably mounted on the lower side end wall of the cam cavity, the upper side end wall of the pressure lever is connected with the lower side end wall of the cam cavity through a connecting spring, the connecting spring is nested and mounted on the outer surface of the pressure lever, a second cord is fixedly connected to the outer surface of the upper side end wall of the rack rod, the end, far away from one side of the rack rod, of the second cord is fixedly connected with a brake cone, the brake cone is slidably mounted in a brake cone sliding groove, the brake cone sliding groove is fixedly arranged in the box body on one side, close to the injection molding liquid placing cavity, of the rotary drum shaft, the brake cone is clamped into the brake groove, and the brake groove, and the brake cone is connected with the end wall of one side of the brake cone sliding groove, which is close to the injection molding liquid placing cavity, through a brake cone connecting spring.

5. An injection molding apparatus capable of cooling a mold as defined in claim 1, wherein: the cooling device comprises the injection molding cavity, cooling pipes are symmetrically arranged in the box body on the front end wall and the rear end wall of the injection molding cavity in a front-back mode, the cooling pipe on the rear side is fixedly connected with a water pipe, the rear end of the water pipe is fixedly connected with a cooling water placing cavity, the cooling water placing cavity is fixedly arranged in the box body on the rear side of the injection molding cavity, a water pump is fixedly arranged on the front end wall of the cooling water placing cavity, a starting rod is slidably arranged on the end wall of one side, away from the pushing cavity, of the water pump, the outer surface of the end wall of one side, away from the pushing cavity, of the starting rod in the cooling water placing cavity is connected with the end wall of one side, away from the pushing cavity, through a starting spring, the starting spring is nested and arranged on the outer surface of the starting rod, the starting rod is in contact with the water pump, and the end of one side of the rope far away from the starting rod is fixedly connected with the outer surface of the upper side end wall of the contact block.